/* -*- mode: C -*-  */
/* 
   IGraph library.
   Copyright (C) 2006-2012  Gabor Csardi <csardi.gabor@gmail.com>
   334 Harvard st, Cambridge MA, 02139 USA
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc.,  51 Franklin Street, Fifth Floor, Boston, MA 
   02110-1301 USA

*/

#include <igraph.h>

int main() {
  
  igraph_t g;
  igraph_vs_t vertices;
  igraph_vector_t result1, result2;

  igraph_rng_seed(igraph_rng_default(), 42);
  
  igraph_vector_init(&result1, 0);
  igraph_vector_init(&result2, 0);

  igraph_erdos_renyi_game(&g, IGRAPH_ERDOS_RENYI_GNP, 100, .1,
			  IGRAPH_UNDIRECTED, IGRAPH_NO_LOOPS);

  igraph_vs_seq(&vertices, 0, 99);

  igraph_transitivity_local_undirected(&g, &result1, igraph_vss_all(),
				       IGRAPH_TRANSITIVITY_NAN);
  igraph_transitivity_local_undirected(&g, &result2, vertices,
				       IGRAPH_TRANSITIVITY_NAN);
  
  if (!igraph_vector_all_e(&result1, &result2)) {
    igraph_vector_print(&result1);
    igraph_vector_print(&result2);
    return 1;
  }

  igraph_vector_destroy(&result1);
  igraph_vector_destroy(&result2);
  igraph_vs_destroy(&vertices);
  igraph_destroy(&g);
  
  return 0;
}
